#410 Stainless steel phillips pan head, self Drilling, passivated & waxed screw. Self-drilling screw drills a hole and taps a thread in a single operation. The drilling point must fully penetrate all pieces of material being fastened before the first thread engages. Application: Attaches metal to metal. Drill Capacity (in.): .035 - .100 Installation: A standard screw gun with torque limiting nose piece set at a maximum of 2500 RPM drive speed recommended. Use a #2 reduced Phillips drive bit. Do not over torque as it can cause the head to snap or stripping of the recess. Installed fasteners must penetrate a minimum of three full threads beyond the metal structure. Specifications: • Manufactured to SAE1 J78 for dimensional specifications • Meets F.I.P.2-1000.7 for torsional strength and drill speed • Medium degree of corrosion resistance